release.yml

name: Release

on:
  workflow_dispatch:
  push:
    tags:
      - "v*.*.*"
      - "v*.*.*-*"

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

permissions:
  contents: write
  packages: write

env:
  REGISTRY: ghcr.io
  REGISTRY_IMAGE: ghcr.io/${{ github.repository }}
  REGEX_IMAGE: ${{ github.repository }}:\\d+.\\d+.\\d+

jobs:
  build:
    runs-on: ${{ matrix.platform == 'linux/arm64' && 'arm-runner-2204' || 'amd-runner-2204' }}
    strategy:
      fail-fast: false
      matrix:
        platform:
          - linux/amd64
          - linux/arm64
        variant:
          - { suffix: "", include_shell: "false", description: "production" }
          - {
              suffix: "-dev",
              include_shell: "true",
              description: "development",
            }
    outputs:
      IMAGE_NAME_PROD: ${{ steps.image_builder_prod.outputs.IMAGE }}
      IMAGE_NAME_DEV: ${{ steps.image_builder_dev.outputs.IMAGE }}
      TAGS_PROD: ${{ steps.meta_prod.outputs.tags }}
      TAGS_DEV: ${{ steps.meta_dev.outputs.tags }}
      VERSION: ${{ steps.meta_prod.outputs.version }}
    steps:
      - name: Prepare
        run: |
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
          VARIANT_SUFFIX="${{ matrix.variant.suffix }}"
          echo "VARIANT_SUFFIX=$VARIANT_SUFFIX" >> $GITHUB_ENV
          PLATFORM_VARIANT="${platform//\//-}${VARIANT_SUFFIX}"
          echo "PLATFORM_VARIANT=$PLATFORM_VARIANT" >> $GITHUB_ENV

      - name: Checkout
        uses: actions/checkout@v5

      - name: Docker meta (prod)
        id: meta_prod
        if: matrix.variant.suffix == ''
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}

      - name: Docker meta (dev)
        id: meta_dev
        if: matrix.variant.suffix != ''
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}
          tags: |
            type=ref,event=branch,suffix=-dev
            type=ref,event=pr,suffix=-dev
            type=semver,pattern={{version}}-dev
            type=semver,pattern={{major}}.{{minor}}-dev

      - name: Image name builder (prod)
        id: image_builder_prod
        if: matrix.variant.suffix == ''
        run: |
          IMAGE=$(jq -ecr '.tags | map(select(match("${{ env.REGEX_IMAGE }}", "i"))) | first| sub(":.*$";"")' <<< "$DOCKER_METADATA_OUTPUT_JSON")
          echo "IMAGE=$IMAGE" >> $GITHUB_OUTPUT

      - name: Image name builder (dev)
        id: image_builder_dev
        if: matrix.variant.suffix != ''
        run: |
          IMAGE=$(jq -ecr '.tags | map(select(match("${{ env.REGEX_IMAGE }}-dev", "i"))) | first| sub(":.*$";"")' <<< "$DOCKER_METADATA_OUTPUT_JSON")
          echo "IMAGE=$IMAGE" >> $GITHUB_OUTPUT

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          push: false
          platforms: ${{ matrix.platform }}
          labels: ${{ (matrix.variant.suffix == '') && steps.meta_prod.outputs.labels || steps.meta_dev.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            INCLUDE_SHELL=${{ matrix.variant.include_shell }}
          outputs: type=image,name=${{ (matrix.variant.suffix == '') && steps.image_builder_prod.outputs.IMAGE || steps.image_builder_dev.outputs.IMAGE }},push-by-digest=true,push=true

      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}.${{ env.PLATFORM_VARIANT }}"

      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ env.PLATFORM_VARIANT }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    runs-on: arm-runner-2204
    needs:
      - build
    strategy:
      matrix:
        variant:
          - { suffix: "", description: "production" }
          - { suffix: "-dev", description: "development" }
    steps:
      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digests-*${{ matrix.variant.suffix }}
          merge-multiple: true

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          IMAGE_NAME="${{ (matrix.variant.suffix == '') && needs.build.outputs.IMAGE_NAME_PROD || needs.build.outputs.IMAGE_NAME_DEV }}"
          TAGS="${{ (matrix.variant.suffix == '') && needs.build.outputs.TAGS_PROD || needs.build.outputs.TAGS_DEV }}"
          docker buildx imagetools create $(jq -cRr 'split("\n") | map(gsub("\\s+";"")) | map("-t "+ .) | join(" ")' <<< "$TAGS") \
            $(for f in *${{ matrix.variant.suffix }}; do echo "${IMAGE_NAME}@sha256:${f%%.*}"; done)

      - name: Inspect image
        run: |
          IMAGE_NAME="${{ (matrix.variant.suffix == '') && needs.build.outputs.IMAGE_NAME_PROD || needs.build.outputs.IMAGE_NAME_DEV }}"
          TAGS="${{ (matrix.variant.suffix == '') && needs.build.outputs.TAGS_PROD || needs.build.outputs.TAGS_DEV }}"
          # Use the first tag for inspection
          FIRST_TAG=$(echo "$TAGS" | head -n1)
          docker buildx imagetools inspect "$FIRST_TAG"